/*
* Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*/
package com.sun.corba.se.impl.interceptors;
import com.sun.corba.se.impl.corba.AnyImpl;
import com.sun.corba.se.spi.orb.ORB;
import org.omg.PortableInterceptor.Current;
import org.omg.PortableInterceptor.InvalidSlot;
import org.omg.CORBA.Any;
/**
* SlotTable is used internally by PICurrent to store the slot information.
*/
public class SlotTable {
// The vector where all the slot data for the current thread is stored
private Any[] theSlotData;
// Required for instantiating Any object.
private ORB orb;
// The flag to check whether there are any updates in the current SlotTable.
// The slots will be reset to null, only if this flag is set.
private boolean dirtyFlag;
/**
* The constructor instantiates an Array of Any[] of size given by slotSize
* parameter.
*/
SlotTable( ORB orb, int slotSize ) {
dirtyFlag = false;
this.orb = orb;
theSlotData = new Any[slotSize];
}
/**
* This method sets the slot data at the given slot id (index).
*/
public void set_slot( int id, Any data ) throws InvalidSlot
{
// First check whether the slot is allocated
// If not, raise the invalid slot exception
if( id >= theSlotData.length ) {
throw new InvalidSlot();
}
dirtyFlag = true;
theSlotData[id] = data;
}
/**
* This method get the slot data for the given slot id (index).
*/
public Any get_slot( int id ) throws InvalidSlot
{
// First check whether the slot is allocated
// If not, raise the invalid slot exception
if( id >= theSlotData.length ) {
throw new InvalidSlot();
}
if( theSlotData[id] == null ) {
theSlotData [id] = new AnyImpl(orb);
}
return theSlotData[ id ];
}
/**
* This method resets all the slot data to null if dirtyFlag is set.
*/
void resetSlots( ) {
if( dirtyFlag == true ) {
for( int i = 0; i < theSlotData.length; i++ ) {
theSlotData[i] = null;
}
}
}
/**
* This method returns the size of the allocated slots.
*/
int getSize( ) {
return theSlotData.length;
}
}